package com.tanhua.dubbo.api;

import com.tanhua.dubbo.utils.IdWorker;
import com.tanhua.model.mongo.Video;
import com.tanhua.model.vo.PageResult;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;

/**
 * @author lifeihu
 * @date 2022/1/2
 * @TIME:19:16
 */
@DubboService
public class VideoApiImpl implements VideoApi {
    @Autowired
    private MongoTemplate mongoTemplate;
    @Autowired
    private IdWorker idWorker;
    @Override
    public String save(Video video) {
        //1、设置属性
        video.setVid(idWorker.getNextId("video"));
        video.setCreated(System.currentTimeMillis());
        mongoTemplate.save(video);
        return video.getId().toHexString();
    }
    /**
     * 根据vid查询小视频列表
     */
    @Override
    public List<Video> findMovementsByVids(List<Long> vids) {
        Query query = Query.query(Criteria.where("vid").in(vids));
        return mongoTemplate.find(query,Video.class);
    }

    /**
     * 分页查询小视频数据
     */
    @Override
    public List<Video> queryVideoList(int page, Integer pagesize) {
        Query query = new Query().limit(pagesize).skip((page -1) * pagesize)
                .with(Sort.by(Sort.Order.desc("created")));
        return mongoTemplate.find(query,Video.class);
    }

    @Override
    public PageResult findByUserId(Integer page, Integer pagesize, Long uid) {
        Criteria criteria = new Criteria();

        Query query = Query.query(criteria.where("userId").is(uid));
        long count = mongoTemplate.count(query, Video.class);
        query.limit(pagesize).skip((page-1)*pagesize).with(Sort.by(Sort.Order.desc("created")));
        List<Video> videos = mongoTemplate.find(query, Video.class);
        return PageResult.init(page,pagesize,count,videos);
    }
}
